Cognomen Castrence (Castrence 
) , all around the world, is quite a rare last name. The last name Castrence is characteristic of Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Saudi Arabia. Measured by absolute frequency, it most frequently occurs in Philippines, the United States, and United Arab Emirates. Much less frequently, Castrence is the forename as well as the last name.